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6,654 pages: 1,289 machines, 702 software, 460 companies, 64 history, 17 articles, 59 fun.
4,336 media files so far; references to files not downloaded yet are left out.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01YDRjtmAiNpo5mK5N3d7QwZ

content/museum/matsushita-national-jr-100.md

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+---
+title: MATSUSHITA National JR 100
+categories:
+- Computers
+types:
+- Home Computer
+origins:
+- Japan
+years:
+- '1981'
+cpus:
+- MN 1800A
+params:
+  name: National JR 100
+  company: /companies/matsushita
+  company_name: MATSUSHITA
+  specs:
+  - label: NAME
+    value: National JR 100
+  - label: MANUFACTURER
+    value: Matsushita
+  - label: TYPE
+    value: Home Computer
+  - label: ORIGIN
+    value: Japan
+  - label: YEAR
+    value: '1981'
+  - label: END OF PRODUCTION
+    value: Unknown
+  - label: BUILT IN LANGUAGE
+    value: Basic interpreter
+  - label: KEYBOARD
+    value: Poor rubber keyboard
+  - label: CPU
+    value: MN 1800A (6802 compatible)
+  - label: SPEED
+    value: 890 KHz
+  - label: RAM
+    value: 16 KB (up to 32 KB)
+  - label: VRAM
+    value: 1 KB
+  - label: ROM
+    value: 8 KB
+  - label: TEXT MODES
+    value: 32 chars. x 24 lines
+  - label: GRAPHIC MODES
+    value: 64 characters with 6 x 7 dot matrix, 64 semi-graphic characters with 8 x 8 matrix, 32 User Defined Graphics with 8 x 8 matrix
+  - label: COLORS
+    value: Monochrome
+  - label: SOUND
+    value: Buzzer
+  - label: SIZE / WEIGHT
+    value: Unknown
+  - label: I/O PORTS
+    value: Monitor, Expansion, Tape
+  - label: BUILT IN MEDIA
+    value: None
+  - label: POWER SUPPLY
+    value: 'Model JR-A12 power adaptor., Output: +7.8V (700 mA), -8V (10 mA), +17V (130 mA)'
+  - label: PERIPHERALS
+    value: An expansion unit (JR-U05) was created which added an extra 16 KB RAM, joystick and RS232 port. It was only available in Japan.
+  - label: PRICE
+    value: NZ$299 when introduced in New Zeland in 1983
+  tabs:
+  - photos
+  - adverts
+  - software
+  - emulators
+  - docs
+  - videos
+  photos:
+  - title: LARGE VIEW
+    subtitle: ''
+    text: ''
+    image: null
+  - title: INSIDE
+    subtitle: ''
+    text: ''
+    image: null
+  - title: 'INSIDE #2'
+    subtitle: ''
+    text: ''
+    image: null
+  - title: REAR SIDE
+    subtitle: ''
+    text: |-
+      From left to right:\
+      • AC adaptor DIN plug\
+      • Tape recorder In / Out jacks\
+      • Expansion bus connector (covered)\
+      • Composite video output\
+      • +17V DC output. In some version this jack was replaced with a RF modulator output
+    image: null
+  - title: JAPANESE BOX
+    subtitle: ''
+    text: ''
+    image: null
+  - title: EXPORT BOX
+    subtitle: ''
+    text: English texts and manuals
+    image: null
+  - title: ENGLISH MANUALS
+    subtitle: ''
+    text: ''
+    image: null
+  - title: MANUAL EXTRACT
+    subtitle: ''
+    text: Extract from the introductory page of the JR-100 manual. Like in many Japanese manuals, these small figures help the user to learn the basic computer concepts and the Basic language.
+    image: null
+  adverts:
+  - title: JAPANESE ADVERT
+    subtitle: ''
+    text: |-
+      The Japanese selling price was of 58.000 yen.
+
+      Thanks to **Murray Moffatt**
+    image: null
+  screenshots:
+  - title: BASIC LISTING
+    subtitle: ''
+    text: |-
+      These games were written by people that belonged to the New Zeland JR-100 Users Group.
+
+      Thanks to **Murray Moffatt** for these screen shots
+    image: null
+  - title: KINGS VALLEY
+    subtitle: ''
+    text: ''
+    image: null
+  - title: CHESS
+    subtitle: ''
+    text: ''
+    image: null
+  - title: DEFENDER
+    subtitle: ''
+    text: ''
+    image: null
+  - title: MAZEMAN
+    subtitle: ''
+    text: ''
+    image: null
+  emulators:
+  - title: JR-100 emulator
+    url: http://www.asamomiji.jp/kemusiro/index.php?JR-100%A5%A8%A5%DF%A5%E5%A5%EC%A1%BC%A5%BF
+    platform: Windows
+    text: japanese emulator
+  docs:
+  - title: PANASONIC JR-100U OPERATING INSTRUCTIONS
+    url: null
+    cover: null
+    text: |-
+      **PANASONIC JR-100U OPERATING INSTRUCTIONS**\
+      written by Panasonic
+
+       compiled/archived by Murray Moffatt\
+       type of document : Online reader
+
+      **... READ THE ONLINE VERSION BY CLICKING BELOW :**
+  videos:
+  - title: JR-100 Demo tape
+    url: https://www.youtube.com/watch?v=F6Uz-ZeCm2A
+    text: 'Length: 4 min 20 s'
+  - title: Super Deflection game
+    url: https://www.youtube.com/watch?v=IPld1yaNbSs
+    text: 'Length: 1 min 23 s'
+  comments:
+  - author: RONO (HK)
+    date: Tuesday 2nd March 2021
+    text: I had it when I studied at Sec. 2. So good memories!
+  - author: Jesper
+    date: Friday 30th September 2016
+    text: Looks exactly like the Lambda 8300.
+  - author: Alejandro (Argentina)
+    date: Wednesday 7th January 2015
+    text: I have one!! it was my first computer, it was BASIC based, I learned how to program with this baby even some sort of machine code (via USR function). I still have it, was working when stored. Great memories!!
+  - author: Murray Moffatt (Auckland, New Zealand)
+    date: Thursday 12th August 2010
+    text: There is a JR-100 emulator available, appears to be Japanese only. See http://www.asamomiji.jp/kemusiro/index.php?JR-100$A5$A8$A5$DF$A5$E5$A5$EC$A1$BC$A5$BF (use Google Translate to view in English)
+  oc_id: 320
+  source:
+    url: https://web.archive.org/web/20230608213858/http://www.old-computers.com/museum/computer.asp?c=320
+    date: '2023-06-08'
+---
+
+The National (also known as Panasonic or Matsushita in other countries) JR series was pretty popular in Japan. Small quantities were sold outside Japan, in New Zeland among other countries.
+
+Little is known about the first system of the range (please help!). It was obviously an initiation machine with black & white display and rubber keyboard.
+
+The JR 100 was followed by the [JR 200](/museum/matsushita-national-jr-200/).
+
+Thanks to **Murray Moffatt** from New Zeland for most of the information and pictures.
+
+<table> <tr> <td></td> <td>We need more info about this computer ! If you designed, used, or have more info about this system, please send us pictures or anything you might find useful.</td> <td></td> </tr> </table>